81716640

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{170243}}^1$

素因数の和:170261

約数の個数: 48

約数和(自身を含む): 257408928

約数和(自身を除く): 175692288

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 240, 480, 170243, 340486, 510729, 680972, 851215, 1021458, 1361944, 1702430, 2042916, 2553645, 2723888, 3404860, 4085832, 5107290, 5447776, 6809720, 8171664, 10214580, 13619440, 16343328, 20429160, 27238880, 40858320, 81716640]

約数ペア:

[(1, 81716640), (2, 40858320), (3, 27238880), (4, 20429160), (5, 16343328), (6, 13619440), (8, 10214580), (10, 8171664), (12, 6809720), (15, 5447776), (16, 5107290), (20, 4085832), (24, 3404860), (30, 2723888), (32, 2553645), (40, 2042916), (48, 1702430), (60, 1361944), (80, 1021458), (96, 851215), (120, 680972), (160, 510729), (240, 340486), (480, 170243)]